// 日期格式化
export function parseTime (time, pattern) {
	if (arguments.length === 0 || !time) {
		return null;
	}
	const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}';
	let date;
	if (typeof time === 'object') {
		date = time;
	} else {
		if (typeof time === 'string' && /^[0-9]+$/.test(time)) {
			time = parseInt(time);
		} else if (typeof time === 'string') {
			time = time
				.replace(new RegExp(/-/gm), '/')
				.replace('T', ' ')
				.replace(new RegExp(/\.[\d]{3}/gm), '');
		}
		if (typeof time === 'number' && time.toString().length === 10) {
			time = time * 1000;
		}
		date = new Date(time);
	}
	const formatObj = {
		y: date.getFullYear(),
		m: date.getMonth() + 1,
		d: date.getDate(),
		h: date.getHours(),
		i: date.getMinutes(),
		s: date.getSeconds(),
		a: date.getDay()
	};
	return format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
		let value = formatObj[key];
		// Note: getDay() returns 0 on Sunday
		if (key === 'a') {
			return ['日', '一', '二', '三', '四', '五', '六'][value];
		}
		if (result.length > 0 && value < 10) {
			value = '0' + value;
		}
		return value || 0;
	});
}

/**
 * 添加日期范围
 * @param params
 * @param dateRange
 * @param propName
 */
export const addDateRange = (params, dateRange, propName) => {
	const search = params;
	search.params = typeof search.params === 'object' && search.params !== null && !Array.isArray(search.params) ? search.params : {};
	dateRange = Array.isArray(dateRange) ? dateRange : [];
	if (typeof propName === 'undefined') {
		search.params['beginTime'] = dateRange[0];
		search.params['endTime'] = dateRange[1];
	} else {
		search.params['begin' + propName] = dateRange[0];
		search.params['end' + propName] = dateRange[1];
	}
	return search;
};

// 回显数据字典
export const selectDictLabel = (datas, value) => {
	if (value === undefined) {
		return '';
	}
	const actions = [];
	Object.keys(datas).some((key) => {
		if (datas[key].value == '' + value) {
			actions.push(datas[key].label);
			return true;
		}
	});
	if (actions.length === 0) {
		actions.push(value);
	}
	return actions.join('');
};

// 回显数据字典（字符串数组）
export const selectDictLabels = (datas, value, separator) => {
	if (value === undefined || value.length === 0) {
		return '';
	}
	if (Array.isArray(value)) {
		value = value.join(',');
	}
	const actions = [];
	const currentSeparator = undefined === separator ? ',' : separator;
	const temp = value.split(currentSeparator);
	Object.keys(value.split(currentSeparator)).some((val) => {
		let match = false;
		Object.keys(datas).some((key) => {
			if (datas[key].value == '' + temp[val]) {
				actions.push(datas[key].label + currentSeparator);
				match = true;
			}
		});
		if (!match) {
			actions.push(temp[val] + currentSeparator);
		}
	});
	return actions.join('').substring(0, actions.join('').length - 1);
};

// 字符串格式化(%s )
export function sprintf (str) {
	if (arguments.length !== 0) {
		let flag = true,
			i = 1;
		str = str.replace(/%s/g, function () {
			const arg = arguments[i++];
			if (typeof arg === 'undefined') {
				flag = false;
				return '';
			}
			return arg;
		});
		return flag ? str : '';
	}
}

// 转换字符串，undefined,null等转化为""
export const parseStrEmpty = (str) => {
	if (!str || str == 'undefined' || str == 'null') {
		return '';
	}
	return str;
};

// 数据合并
export const mergeRecursive = (source, target) => {
	for (const p in target) {
		try {
			if (target[p].constructor == Object) {
				source[p] = mergeRecursive(source[p], target[p]);
			} else {
				source[p] = target[p];
			}
		} catch (e) {
			source[p] = target[p];
		}
	}
	return source;
};

/**
 * 构造树型结构数据
 * @param {*} data 数据源
 * @param {*} id id字段 默认 'id'
 * @param {*} parentId 父节点字段 默认 'parentId'
 * @param {*} children 孩子节点字段 默认 'children'
 */
export const handleTree = (data, id, parentId, children) => {
	const config = {
		id: id || 'id',
		parentId: parentId || 'parentId',
		childrenList: children || 'children'
	};

	const childrenListMap = {};
	const tree = [];
	for (const d of data) {
		const id = d[config.id];
		childrenListMap[id] = d;
		if (!d[config.childrenList]) {
			d[config.childrenList] = [];
		}
	}

	for (const d of data) {
		const parentId = d[config.parentId];
		const parentObj = childrenListMap[parentId];
		if (!parentObj) {
			tree.push(d);
		} else {
			parentObj[config.childrenList].push(d);
		}
	}
	return tree;
};

/**
 * 参数处理
 * @param {*} params  参数
	*/
export const tansParams = (params) => {
	let result = '';
	for (const propName of Object.keys(params)) {
		const value = params[propName];
		const part = encodeURIComponent(propName) + '=';
		if (value !== null && value !== '' && typeof value !== 'undefined') {
			if (typeof value === 'object') {
				for (const key of Object.keys(value)) {
					if (value[key] !== null && value[key] !== '' && typeof value[key] !== 'undefined') {
						const params = propName + '[' + key + ']';
						const subPart = encodeURIComponent(params) + '=';
						result += subPart + encodeURIComponent(value[key]) + '&';
					}
				}
			} else {
				result += part + encodeURIComponent(value) + '&';
			}
		}
	}
	return result;
};

// 返回项目路径
export const getNormalPath = (p) => {
	if (p.length === 0 || !p || p === 'undefined') {
		return p;
	}
	const res = p.replace('//', '/');
	if (res[res.length - 1] === '/') {
		return res.slice(0, res.length - 1);
	}
	return res;
};

// 验证是否为blob格式
export const blobValidate = (data) => {
	return data.type !== 'application/json';
};

export default {
	handleTree
};
